The **LPS5030-475ML** is a high-performance, shielded power inductor manufactured by **Coilcraft**. It is part of the LPS5030 series, known for having a small footprint while maintaining high current-carrying capacity. --- ## 1. Technical Specifications The part number "475ML" identifies the specific inductance value and tolerance. | Parameter | Specification | | :--- | :--- | | **Inductance** | 4.7 mH (4700 µH) | | **Tolerance** | ±20% (indicated by 'M') | | **DC Resistance (DCR max)** | 14.5 Ohms | | **SRF (Self-Resonant Frequency)** | 1.1 MHz | | **Isat (Saturation Current)** | 0.085 A (10% drop) | | **Irms (RMS Current)** | 0.140 A (40°C rise) | | **Shielding** | Magnetically Shielded | --- ## 2. Key Physical Features * **Dimensions:** The "5030" size code corresponds to a footprint of approximately **4.9 x 4.9 mm** and a height of **3.0 mm**. * **Termination:** Matte tin over nickel over silver-platinum-glass frit. * **Core Material:** Ferrite. * **Shielding:** The magnetic shielding minimizes Electromagnetic Interference (EMI), making it suitable for high-density board layouts. --- ## 3. Part Number Breakdown The nomenclature follows Coilcraft’s standard coding system: | Segment | Meaning | | :--- | :--- | | **LPS** | Low Profile Shielded Inductor Series | | **5030** | Size: 5.0mm x 5.0mm x 3.0mm | | **475** | Inductance Code: 47 + five zeros ($4,700,000$ nH = 4.7 mH) | | **M** | Tolerance: ±20% | | **L** | Termination: RoHS compliant (Matte tin over nickel) | --- ## 4. Typical Applications Due to its high inductance value (4.7 mH) and low current rating, this specific model is typically used in: * **Power Filtering:** Removing high-frequency noise from power lines. * **Low-Power DC-DC Converters:** For specialized voltage regulation in handheld devices. * **Sensors:** Signal conditioning in low-current circuits. * **Decoupling:** Preventing noise cross-talk between circuit stages. ---